The Emperor of the European youkai has been resurrected. "There is only one path left to you. Ruin!" Backbeard has joined forces with Nurarihyon and devoured a city. It has caused humanity's loathing of youkai to increase. Anti-youkai laws are established, and the government takes out one youkai terrorist after another. Amidst all this, the youkai hatred of humans grows. The wave of feeling swamps the GeGeGe Forest and anti-human youkai begin to appear. In order to prevent humans and youkai from clashing, Kitaro goes to the prime minister, determined to bring her around.
"Let's work together to face
The Great Yokai Alliance."
".لنتعاون لمواجهة اتحاد اليوكاي العظيم"
„Stellen wir uns der großen
Yōkai-Allianz gemeinsam.“
Le propondré colaborar para enfrentarnos
a la Gran Alianza Yokai.
Le propondré colaborar para enfrentarnos
a la Gran Alianza Yokai.
Unissons nos forces
pour défaire l’Alliance des esprits.
"Uniamoci e affrontiamo la Grande Alleanza Yōkai".
"Vamos trabalhar juntos para
encarar a Grande Aliança Yokai."
«Объединим силы в борьбе 
с "Великим союзом ёкаев"».